Xtralite and Vitral are now a part of VELUX Commercial, and we are delighted to welcome you to our new website. Here, you will find our complete portfolio of daylight solutions and services for industrial, commercial and public buildings.
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Roof glazing system with close to unlimited design freedom

Structural glazing system

Our specialist structural glazing is a stick system with made-to-measure solutions that allow for almost unlimited flexibility when designing your rooflight solution. Structural glazing utilises a comprehensive suite of interchangeable aluminium profiles in order to create a range of different shaped and sized rooflight structures.

VELUX Commercial provides support throughout the whole project, and our products are always offered as a design, manufacture and installation solution.

Explore the different solutions
Two rooftop skylights on a flat roof with cloudy sky.
S-Line
Flat roof with skylight panels, modern design.
XLS
Building with metal roof and circular skylight, stone walls visible.
X-Span

Design a complete roof of daylight for buildings with large span roofs

The specialist stick-glazing system offers aesthetic and efficient daylight solutions for commercial buildings with large roof spans. Developed to ensure optimal daylight, the system consists of aluminium profiles and insulating glass units that are assembled on site. By providing maximum flexibility for individual design, it is possible to design large glass roofs and close the complete building envelope – including the facade.

Specialist structural glazing systems can include both top-hung and bottom-hung openings for daily comfort ventilation as well as high-performing bottom-hung and side-hung openings for smoke ventilation in accordance with EN 12101-2.

Thereby, the solutions offer endless opportunities with architectural finesse and enhanced indoor climate control.

Futuristic cityscape with glass buildings and photovoltaic roofs.
Design freedom — our stick-glazing systems offer nearly unlimited possibilities. Above some design examples of the many possibilities

Key benefits

Get inspired by our case studies

Corridor with VELUX roof window, natural light, yellow walls, and railing.
Education

University of Cambridge Primary School

Maximising daylight and natural ventilation with bespoke roof glazing

Cambridge, United Kingdom — 2016Read more
Spacious atrium with glass roof, multiple levels, seating areas.
Public buildings

Wixams Retirement Village

Large bespoke roofglazing designed and installed to expose maximum daylight and improve wellbeing

Bedford, United Kingdom — 2019Read more
Office with VELUX roof window, modern furniture, and visible rafters.
Education

Bute Building, Cardiff University

Prestigious renovation at Cardiff University’s School of Architecture

Cardiff, Wales, United Kingdom — 2021Read more
Explore additional products for structural glazing system
Comfort and smoke ventilation
Daylight and heat control
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